user32: Make GetWindowPlacement() work for other process windows.

[Dmitry Timoshkov]

This patch fixes the problem reported in the bug 12001.
---
 dlls/user32/winpos.c |   55 ++++++++++++++++++++++---------------------------
 1 files changed, 25 insertions(+), 30 deletions(-)

diff --git a/dlls/user32/winpos.c b/dlls/user32/winpos.c
index e5e4e0c..311459b 100644
--- a/dlls/user32/winpos.c
+++ b/dlls/user32/winpos.c
@@ -1146,11 +1146,11 @@ UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
  */
 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
 {
-    WND *pWnd = WIN_GetPtr( hwnd );
-
-    if (!pWnd) return FALSE;
+    RECT window_rect;
+    POINT min_pos, max_pos;
+    DWORD style;
 
-    if (pWnd == WND_DESKTOP)
+    if (hwnd == GetDesktopWindow())
     {
         wndpl->length  = sizeof(*wndpl);
         wndpl->showCmd = SW_SHOWNORMAL;
@@ -1162,41 +1162,36 @@ BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
         GetWindowRect( hwnd, &wndpl->rcNormalPosition );
         return TRUE;
     }
-    if (pWnd == WND_OTHER_PROCESS)
-    {
-        if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
-        return FALSE;
-    }
 
-    /* update the placement according to the current style */
-    if (pWnd->dwStyle & WS_MINIMIZE)
-    {
-        pWnd->min_pos.x = pWnd->rectWindow.left;
-        pWnd->min_pos.y = pWnd->rectWindow.top;
-    }
-    else if (pWnd->dwStyle & WS_MAXIMIZE)
+    if (!WIN_GetRectangles( hwnd, &window_rect, NULL )) return FALSE;
+
+    style = GetWindowLongW( hwnd, GWL_STYLE );
+
+    min_pos.x = -1;
+    min_pos.y = -1;
+    max_pos.x = -1;
+    max_pos.y = -1;
+
+    if (style & WS_MINIMIZE)
     {
-        pWnd->max_pos.x = pWnd->rectWindow.left;
-        pWnd->max_pos.y = pWnd->rectWindow.top;
+        min_pos.x = window_rect.left;
+        min_pos.y = window_rect.top;
     }
-    else
+    else if (style & WS_MAXIMIZE)
     {
-        pWnd->normal_rect = pWnd->rectWindow;
+        max_pos.x = window_rect.left;
+        max_pos.y = window_rect.top;
     }
 
     wndpl->length  = sizeof(*wndpl);
-    if( pWnd->dwStyle & WS_MINIMIZE )
+    if( style & WS_MINIMIZE )
         wndpl->showCmd = SW_SHOWMINIMIZED;
     else
-        wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
-    if( pWnd->flags & WIN_RESTORE_MAX )
-        wndpl->flags = WPF_RESTORETOMAXIMIZED;
-    else
-        wndpl->flags = 0;
-    wndpl->ptMinPosition    = pWnd->min_pos;
-    wndpl->ptMaxPosition    = pWnd->max_pos;
-    wndpl->rcNormalPosition = pWnd->normal_rect;
-    WIN_ReleasePtr( pWnd );
+        wndpl->showCmd = ( style & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
+    wndpl->flags = 0; /* FIXME */
+    wndpl->ptMinPosition    = min_pos;
+    wndpl->ptMaxPosition    = max_pos;
+    wndpl->rcNormalPosition = window_rect;
 
     TRACE( "%p: returning min %d,%d max %d,%d normal %s\n",
            hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
-- 
1.7.0.6